328 ÷ 8 pls show how u got it

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.

Which ordered pair is a solution of the equation? 2x+3y=10

What is the measure of angle lkj ? round to the nearest whole degree